Spectre@lemmy.ml to Asklemmy@lemmy.ml · 2 个月前Why is the USA the only country that doesn’t use the metric system?message-squaremessage-square89linkfedilinkarrow-up196arrow-down13
arrow-up193arrow-down1message-squareWhy is the USA the only country that doesn’t use the metric system?Spectre@lemmy.ml to Asklemmy@lemmy.ml · 2 个月前message-square89linkfedilink
minus-squareValthorn@feddit.nulinkfedilinkarrow-up46arrow-down1·2 个月前Technically they do. The US units are defined by the metric system, and they are full members of the Metre Convention since 1878.
Technically they do. The US units are defined by the metric system, and they are full members of the Metre Convention since 1878.